import 'package:flutter/material.dart';

void main() {
  runApp(MainPage());
}
class MainPage extends StatelessWidget{
  const MainPage({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context){
    return MaterialApp(
      home:Scaffold(
        body:Container(
          // color: Colors.purple,
          padding: EdgeInsets.all(20),
          decoration:BoxDecoration(
            color: Colors.purple,
            borderRadius: BorderRadius.circular(15),
          ),
          child:Container(
            color: Colors.white,
          )

        )
        )
    );
  }
}